Yongnuo YN680EX-RT Lithium Wireless High-Speed TTL Speedlite Rechargeable Li-Ion Battery Charger Brightly illuminate a room or subject with the YN680EX-RT Lithium Wireless High-Speed TTL Speedlite from Yongnuo. Utilizing a rechargeable lithium-ion battery pack, this flash has a quick recharge time of 1.5 seconds at full power. The flash head tilts up 90° and also rotates to fill a variety of creative lighting needs. The unit is compatible with Canon's Radio Transmission system and can be used as a master or slave unit in multi-light setups. Additionally, it can be used optically to trigger a set of Yongnuo or Canon EX speedlites with full TTL/M compatibility. The built-in USB port also allows for firmware upgrades and a large LCD display on the rear of the device displays flash settings, battery life, and other information. Compatible with Canon's RT System Guide Number 60' at ISO 100 and 200mm Zoom Range: 20-200mm Tilts Upward 90°, Rotates Horizontally
